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SEAL360 Magnetic Vent Covers
- BOOST air to the rooms you need it
- BLOCK air in unoccupied rooms
- SAVE MONEY- heat and cool only the rooms you use
- NO AIR GAPS- The only cover that conforms to the vent damper creating a COMPLETE SEAL
- For STEEL Vent faces sized 5.5” to 5.75” wide & 11.5” to 12” long. Please measure before ordering